| With the continuous improvement of the level of sports training,among the world's best tennis players of the competitive strength of gap decreases,the tennis game makes the competition more and more intense,there are a lot of grab seven Grand Slam winning situation.In the 5 set of 3 wins or 3 sets of 2 wins,win seven games to win a game(set)victory,the importance of the seven game is self-evident.Change and control snatches seven game rules,and the athletes' psychological pressure increased sharply,leading to grab seven athletes in the Bureau and the former 12 game showed a significant difference.In this study,through the statistical analysis of relevant data of the seven game 2010-2015 four Grand Slam singles rob,explore the basic characteristics of elite athletes,grab the seven game changing and winning factors,in order to grab seven agency training for our young tennis players to provide targeted advice.This paper based on the 2010-2015 four Grand Slam singles grab part seven game as the research object,literature,mathematical statistics,comparative analysis and case study the changes of basic information,statistics and analysis of tennis singles grab seven game snatches seven games and 12 innings before the game,reveal the individual character of elite athletes grab seven the Bureau,and explore the law of winning the seven game of the winning factors of grab.Main findings:1.2010-2015 tennis four Grand Slam,1536 singles game,75.5% of the game appeared to grab seven games,and showed a trend of increasing year by year.With the increase of tournament rounds,four Grand Slam singles match snatches seven games the number gradually increased,which may be closely related to the level of skill and tactics between athletes.2.2010-2015 four grand slam tennis singles competition,different types of sites appeared to grab the seven inning proportion is different,the Wimbledon 387 times(31%),the French Open tennis tournament 344 times(28%),the Australian Open tennis tournament 263 times(21%),the USOpen tennis tournament 260 times(20%).Athletes win the seven inning,and the probability of winning in a single game is65.7%,suggesting that daily training should attach great importance to the training of key game ability.3.2010-2015 tennis four Grand Slam singles grab seven games,averaging Ace0.38,double faults,0.15 aces,1.20 Returnace0.10,0.81 unforced errors,2.02 unforced errors,winning 1.18;compared with the previous 12 games,athletes in the double mistake,unforced errors and other indicators decline characteristics,in snatches seven games to improve the efficiency of the attack that athletes.4.2010-2015 tennis four Grand Slam singles to grab the seven game,winning athletes in the serve,receive,rally and other indicators and the loser was different,that winning players in the whole process of ups and downs of smaller,stable state.In the stalemate ball confrontation,the multi shot victory presented 12 shooting(22.68%)>11 shot(20.78%)> 10 shot(15.49%)> 14 shot(11.62%)characteristics,and suggested that the athletes take 12 balls for targeted technical and tactical training.5.different styles of players with its own advantages of its characteristics,are formed in the seven game to grab the contention of a hundred schools of thought achieved good results,and case study for all types of young players to guide the development of sports training and competition and reference is given.6.,seven of the various factors in the game have been re expanded.Stable single technology is the foundation to grab seven game winning,changing tactics is a magic weapon to grab seven game winning,high strength,intermittent anaerobic physical reserves is the key to grab seven game winning,psychology and intelligence factors is to grab the seven game play stable security. |
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